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999b6130a4
There are only a few minor code changes, and nothing that should have an effect on functionality. This is basically just rearranging the code.
57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
#ifdef __ORCAC__
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#pragma optimize -1 /* must be at least 8 */
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#pragma noroot
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#endif
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <limits.h>
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int asprintf(char **ret, const char *format, ...) {
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va_list va;
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int i;
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int length = -1;
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*ret = NULL;
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for (i = 0; i < 2; i++) {
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va_start(va, format);
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length = vsnprintf(*ret, length+1, format, va);
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if (length <= 0 || length == INT_MAX) {
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length = -1;
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if (i > 0)
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free(*ret);
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*ret = NULL;
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goto done;
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}
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if (i == 0) {
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*ret = malloc(length+1);
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if (*ret == NULL) {
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length = -1;
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goto done;
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}
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#ifndef __ORCAC__
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/* Should be here per standard, but ORCA/C allows only one va_end */
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va_end(va);
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#endif
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}
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}
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done:
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va_end(va);
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return length;
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}
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#ifdef TEST_ASPRINTF
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int main(void) {
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char *s;
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asprintf(&s, "testing %i %i %x", 1, 2, 3);
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printf("%s\n", s);
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}
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#endif
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